Technology Invention INNER SPACE CAPSULE The idea of steering a drug capsule through a patient's bloodstream to a tumour or diseased organ, and then making it release its payload once it arrives, is being researched by the University of California in Oakland (world patent application 2005/020918). Researchers propose using a tightly focused ultrasound beam to create vibrations … News
Health When drugs are too blunt an instrument YOU have a headache and you buy an over-the-counter "extra strength" painkiller. Among other ingredients, it may contain codeine, a well-known drug for pain relief, but one without analgesic properties itself. Codeine is a pro-drug: only after the body transforms codeine into morphine is there any pain relief. But nearly 1 out of every 10 … Opinion
Life Histories: Nearer my god to thee At 3 am on 7 June 1913, four men crawled from a makeshift tent. For weeks they had struggled to haul equipmentto a snowy col, far above central Alaska's muskeg plains. Now, suffering from altitude sickness and indigestion from an ill-advised experiment with home-made noodles, they faced one more challenge: a final push to the … Features
Earthly delights Richard Fortey's wonderful The Earth (Harper Perennial, £9.99) is now in paperback. Ted Nield reviewed it for New Scientist saying, "Books with a title this ambitious generally do not live up to their billing. This one does." Fortey takes us around the world, showing that it is "forever in transit". The evidence he gives us … Books & Arts
Physics Perfectly Reasonable Deviations from the Beaten Track: The letters of Richard P. Feynman Books & Arts
Health All in My Head: An epic quest to cure an unrelenting, totally unreasonable, and only slightly enlightening headache by Paula Kamen Books & Arts
Feedback Betty the Caledonian heifer A CREATURE viewed by modern society as "little more than a benign food source – the cow – is also shown to be an astute animal capable of solving riddles, with an intellect more traditionally associated with an ape". Readers in the UK who saw this statement in The Observer newspaper … Regulars